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principal root

The nonnegative square root of a number.


The number or expression inside a radical symbol


a number or ratio (a value on a scale of measurement) derived from a series of observed facts

simplest form

A fraction that has only 1 has a common fractor of the numerator and denominator.

rationalize the denominator

when an expression is rewritten so that there are no radicals in any denominator and no denominators in any radicals

like radicals

radicals that have the same radicand

radical equation

equation that contains radicals with variables in the radicand

square root equation

y = √(x), y = ±√(x)

inverse relation

a set of ordered pairs obtained by switching the coordinates in a relation

inverse functions

When f(g(x)) = x, and g(f(x) = x .

radical functions

a function which contains a variable as the radicand

square root functions

f(x)= √x
Constant second differences between x-values for for evenly spaces y-values.

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